Toro 30344 - Belt Maintenance; Checking the Condition of the Alternator Belt; Tensioning the Alternator Belt; Servicing the PTO Belt

BeltMaintenance
CheckingtheConditionof
theAlternatorBelt
ServiceInterval:Every200hours
Checkalternatorbeltforwearordamage.
Note:Replacethealternatorbeltifyounditworn
ordamaged.
TensioningtheAlternator
Belt
ServiceInterval:Aftertherst10hours
Every200hours
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Figure72
1.Alternator2.Mountingbolt
1.Apply4.5kg(10lb)offorceagainstthebeltata
positionmidwaybetweenthepulleys.
•Ifthebeltdeects10mm(3/8inch),thebelt
isproperlytensioned.
•Ifthebeltdeectsmorethan10mm(3/8
inch)orlessthan10mm(3/8inch),proceed
tostep2.
2.Loosenthemountingboltforthealternator
(Figure72).
3.Increaseordecreasethetensiononthe
alternatorbeltandtightenthemountingbolt
(Figure72).
4.Repeatsteps1through3untilthebelttension
iscorrect.
ServicingthePTOBelt
CheckingthePTOBeltTension
ServiceInterval:Aftertherst10hours
Aftertherst50hours
Every200hours
1.Shuttheengineoff,engagetheparkingbrake,
andremovethekeyfromthekeyswitch.
2.Raisetheenginehoodandallowtheengineto
cool.
3.Loosenthetensioning-rodjamnut(Figure73).
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Figure73
1.Belt-tensioningspring3.Tension-adjustingbolt
2.Tensioning-rodjamnut
4.Usea1/2-inchwrenchtotightenorloosenthe
belt-tensioningspring(Figure73).Adjustspring
toalengthof73mm(2-7/8inch).
5.Tightenthejamnut.
ReplacingthePTOBelt
1.Parkthemachineonalevelsurface,engage
theparkingbrake,lowerthecuttingdeck,shut
offtheengine,andremovethekeyfromthekey
switch.
2.Raisetheenginehoodandallowtheengineto
cool.
3.Loosenthetensioning-rodjamnut(Figure73).
4.Usinga1/2-inchwrench,loosenthe
belt-tensioningspring(Figure73)alltheway.
5.RotatethePTOpulleytowardtheengineand
removethebelt.
6.InstallthenewPTObeltandtensionthepulley
springto73mm(2-7/8inches)inlength(Figure
73).
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